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RetroArch/frontend/frontend_driver.c
twinaphex 56619d7276 Add more TODO/FIXME notes
2020-05-29 06:31:15 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include <compat/strl.h>
#include <string/stdstring.h>
#include <retro_miscellaneous.h>
#include <libretro.h>
#if defined(_3DS)
#include <3ds.h>
#endif
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include "frontend_driver.h"
#ifndef __WINRT__
#if defined(WINAPI_FAMILY) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
#define __WINRT__
#endif
#endif
static frontend_ctx_driver_t frontend_ctx_null = {
NULL, /* environment_get */
NULL, /* init */
NULL, /* deinit */
NULL, /* exitspawn */
NULL, /* process_args */
NULL, /* exec */
NULL, /* set_fork */
NULL, /* shutdown */
NULL, /* get_name */
NULL, /* get_os */
NULL, /* get_rating */
NULL, /* load_content */
NULL, /* get_architecture */
NULL, /* get_powerstate */
NULL, /* parse_drive_list */
NULL, /* get_mem_total */
NULL, /* get_mem_free */
NULL, /* install_signal_handler */
NULL, /* get_sighandler_state */
NULL, /* set_sighandler_state */
NULL, /* destroy_sighandler_state */
NULL, /* attach_console */
NULL, /* detach_console */
#ifdef HAVE_LAKKA
NULL, /* get_lakka_version */
#endif
NULL, /* watch_path_for_changes */
NULL, /* check_for_path_changes */
NULL, /* set_sustained_performance_mode */
NULL, /* get_cpu_model_name */
NULL, /* get_user_language */
NULL, /* is_narrator_running */
NULL, /* accessibility_speak */
"null",
NULL, /* get_video_driver */
};
static frontend_ctx_driver_t *frontend_ctx_drivers[] = {
#if defined(EMSCRIPTEN)
&frontend_ctx_emscripten,
#elif defined(__CELLOS_LV2__)
&frontend_ctx_ps3,
#endif
#if defined(_XBOX)
&frontend_ctx_xdk,
#endif
#if defined(GEKKO)
&frontend_ctx_gx,
#endif
#if defined(WIIU)
&frontend_ctx_wiiu,
#endif
#if defined(__QNX__)
&frontend_ctx_qnx,
#endif
#if defined(__APPLE__) && defined(__MACH__)
&frontend_ctx_darwin,
#endif
#if defined(__linux__) || (defined(BSD) && !defined(__MACH__))
&frontend_ctx_unix,
#endif
#if defined(PSP) || defined(VITA)
&frontend_ctx_psp,
#endif
#if defined(PS2)
&frontend_ctx_ps2,
#endif
#if defined(_3DS)
&frontend_ctx_ctr,
#endif
#if defined(SWITCH) && defined(HAVE_LIBNX)
&frontend_ctx_switch,
#endif
#if defined(_WIN32) && !defined(_XBOX) && !defined(__WINRT__)
&frontend_ctx_win32,
#endif
#if defined(__WINRT__)
&frontend_ctx_uwp,
#endif
#ifdef XENON
&frontend_ctx_xenon,
#endif
#ifdef DJGPP
&frontend_ctx_dos,
#endif
#ifdef SWITCH
&frontend_ctx_switch,
#endif
#if defined(ORBIS)
&frontend_ctx_orbis,
#endif
&frontend_ctx_null,
NULL
};
#ifndef IS_SALAMANDER
/* TODO/FIXME - static public global variable */
static frontend_ctx_driver_t *current_frontend_ctx;
#endif
/**
* frontend_ctx_find_driver:
* @ident : Identifier name of driver to find.
*
* Finds driver with @ident. Does not initialize.
*
* Returns: pointer to driver if successful, otherwise NULL.
**/
frontend_ctx_driver_t *frontend_ctx_find_driver(const char *ident)
{
unsigned i;
for (i = 0; frontend_ctx_drivers[i]; i++)
{
if (string_is_equal(frontend_ctx_drivers[i]->ident, ident))
return frontend_ctx_drivers[i];
}
return NULL;
}
/**
* frontend_ctx_init_first:
*
* Finds first suitable driver and initialize.
*
* Returns: pointer to first suitable driver, otherwise NULL.
**/
frontend_ctx_driver_t *frontend_ctx_init_first(void)
{
return frontend_ctx_drivers[0];
}
bool frontend_driver_get_core_extension(char *s, size_t len)
{
#ifdef HAVE_DYNAMIC
#ifdef _WIN32
strlcpy(s, "dll", len);
return true;
#elif defined(__APPLE__) || defined(__MACH__)
strlcpy(s, "dylib", len);
return true;
#else
strlcpy(s, "so", len);
return true;
#endif
#else
#if defined(__CELLOS_LV2__)
strlcpy(s, "self|bin", len);
return true;
#elif defined(PSP)
strlcpy(s, "pbp", len);
return true;
#elif defined(VITA)
strlcpy(s, "self|bin", len);
return true;
#elif defined(PS2)
strlcpy(s, "elf", len);
return true;
#elif defined(_XBOX1)
strlcpy(s, "xbe", len);
return true;
#elif defined(_XBOX360)
strlcpy(s, "xex", len);
return true;
#elif defined(GEKKO)
strlcpy(s, "dol", len);
return true;
#elif defined(HW_WUP)
strlcpy(s, "rpx|elf", len);
return true;
#elif defined(__linux__)
strlcpy(s, "elf", len);
return true;
#elif defined(HAVE_LIBNX)
strlcpy(s, "nro", len);
return true;
#elif defined(DJGPP)
strlcpy(s, "exe", len);
return true;
#elif defined(_3DS)
if (envIsHomebrew())
strlcpy(s, "3dsx", len);
else
strlcpy(s, "cia", len);
return true;
#else
return false;
#endif
#endif
}
bool frontend_driver_get_salamander_basename(char *s, size_t len)
{
#ifdef HAVE_DYNAMIC
return false;
#else
#if defined(__CELLOS_LV2__)
strlcpy(s, "EBOOT.BIN", len);
return true;
#elif defined(PSP)
strlcpy(s, "EBOOT.PBP", len);
return true;
#elif defined(VITA)
strlcpy(s, "eboot.bin", len);
return true;
#elif defined(PS2)
strlcpy(s, "eboot.elf", len);
return true;
#elif defined(_XBOX1)
strlcpy(s, "default.xbe", len);
return true;
#elif defined(_XBOX360)
strlcpy(s, "default.xex", len);
return true;
#elif defined(HW_RVL)
strlcpy(s, "boot.dol", len);
return true;
#elif defined(HW_WUP)
strlcpy(s, "retroarch.rpx", len);
return true;
#elif defined(_3DS)
strlcpy(s, "retroarch.core", len);
return true;
#elif defined(DJGPP)
strlcpy(s, "retrodos.exe", len);
return true;
#elif defined(SWITCH)
strlcpy(s, "retroarch_switch.nro", len);
return true;
#else
return false;
#endif
#endif
}
#ifndef IS_SALAMANDER
frontend_ctx_driver_t *frontend_get_ptr(void)
{
return current_frontend_ctx;
}
int frontend_driver_parse_drive_list(void *data, bool load_content)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->parse_drive_list)
return -1;
return frontend->parse_drive_list(data, load_content);
}
void frontend_driver_content_loaded(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->content_loaded)
return;
frontend->content_loaded();
}
bool frontend_driver_has_fork(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->set_fork)
return false;
return true;
}
bool frontend_driver_set_fork(enum frontend_fork fork_mode)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend_driver_has_fork())
return false;
return frontend->set_fork(fork_mode);
}
void frontend_driver_process_args(int *argc, char *argv[])
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->process_args)
return;
frontend->process_args(argc, argv);
}
bool frontend_driver_is_inited(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend)
return false;
return true;
}
void frontend_driver_init_first(void *args)
{
current_frontend_ctx = (frontend_ctx_driver_t*)frontend_ctx_init_first();
if (current_frontend_ctx && current_frontend_ctx->init)
current_frontend_ctx->init(args);
}
void frontend_driver_free(void)
{
current_frontend_ctx = NULL;
}
environment_get_t frontend_driver_environment_get_ptr(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend)
return NULL;
return frontend->environment_get;
}
bool frontend_driver_has_get_video_driver_func(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->get_video_driver)
return false;
return true;
}
const struct video_driver *frontend_driver_get_video_driver(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->get_video_driver)
return NULL;
return frontend->get_video_driver();
}
void frontend_driver_exitspawn(char *s, size_t len, char *args)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->exitspawn)
return;
frontend->exitspawn(s, len, args);
}
void frontend_driver_deinit(void *args)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->deinit)
return;
frontend->deinit(args);
}
void frontend_driver_shutdown(bool a)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->shutdown)
return;
frontend->shutdown(a);
}
enum frontend_architecture frontend_driver_get_cpu_architecture(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->get_architecture)
return FRONTEND_ARCH_NONE;
return frontend->get_architecture();
}
const void *frontend_driver_get_cpu_architecture_str(
char *architecture, size_t size)
{
const frontend_ctx_driver_t
*frontend = frontend_get_ptr();
enum frontend_architecture arch = frontend_driver_get_cpu_architecture();
switch (arch)
{
case FRONTEND_ARCH_X86:
strlcpy(architecture, "x86", size);
break;
case FRONTEND_ARCH_X86_64:
strlcpy(architecture, "x64", size);
break;
case FRONTEND_ARCH_PPC:
strlcpy(architecture, "PPC", size);
break;
case FRONTEND_ARCH_ARM:
strlcpy(architecture, "ARM", size);
break;
case FRONTEND_ARCH_ARMV7:
strlcpy(architecture, "ARMv7", size);
break;
case FRONTEND_ARCH_ARMV8:
strlcpy(architecture, "ARMv8", size);
break;
case FRONTEND_ARCH_MIPS:
strlcpy(architecture, "MIPS", size);
break;
case FRONTEND_ARCH_TILE:
strlcpy(architecture, "Tilera", size);
break;
case FRONTEND_ARCH_NONE:
default:
strlcpy(architecture, "N/A", size);
break;
}
return frontend;
}
uint64_t frontend_driver_get_total_memory(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->get_total_mem)
return 0;
return frontend->get_total_mem();
}
uint64_t frontend_driver_get_free_memory(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->get_free_mem)
return 0;
return frontend->get_free_mem();
}
void frontend_driver_install_signal_handler(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->install_signal_handler)
return;
frontend->install_signal_handler();
}
int frontend_driver_get_signal_handler_state(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->get_signal_handler_state)
return -1;
return frontend->get_signal_handler_state();
}
void frontend_driver_set_signal_handler_state(int value)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->set_signal_handler_state)
return;
frontend->set_signal_handler_state(value);
}
void frontend_driver_attach_console(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->attach_console)
return;
frontend->attach_console();
}
void frontend_driver_detach_console(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->detach_console)
return;
frontend->detach_console();
}
void frontend_driver_destroy_signal_handler_state(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->destroy_signal_handler_state)
return;
frontend->destroy_signal_handler_state();
}
bool frontend_driver_can_watch_for_changes(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->watch_path_for_changes)
return false;
return true;
}
void frontend_driver_watch_path_for_changes(struct string_list *list, int flags, path_change_data_t **change_data)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->watch_path_for_changes)
return;
frontend->watch_path_for_changes(list, flags, change_data);
}
bool frontend_driver_check_for_path_changes(path_change_data_t *change_data)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->check_for_path_changes)
return false;
return frontend->check_for_path_changes(change_data);
}
void frontend_driver_set_sustained_performance_mode(bool on)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->set_sustained_performance_mode)
return;
frontend->set_sustained_performance_mode(on);
}
const char* frontend_driver_get_cpu_model_name(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->get_cpu_model_name)
return NULL;
return frontend->get_cpu_model_name();
}
enum retro_language frontend_driver_get_user_language(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->get_user_language)
return RETRO_LANGUAGE_ENGLISH;
return frontend->get_user_language();
}
bool frontend_driver_is_narrator_running(void)
{
frontend_ctx_driver_t *frontend = frontend_get_ptr();
if (!frontend || !frontend->is_narrator_running)
return false;
return frontend->is_narrator_running();
}
#endif
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